1 Tests to ensure that internals.getElementByIdInTreeScope can get an element in TreeScope by its id. Can only run within DRT
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS getElementInShadow('divA/inputB').id is "inputB"
7 PASS getElementInShadow('divA/divC').id is "divC"
8 PASS getElementInShadow('divA/divC/inputD').id is "inputD"
9 PASS successfullyParsed is true